No, I wasn't aware of these. I will give that a try. If I stop the Solr jetty service manually, things recover fine, but the hang occurs when I 'stop' or 'terminate' the EC2 instance. The Zookeeper leader reports a 15-sec timeout from the stopped node, and expires the session, but the Solr leader never gets notified. This seems like a bug in ZK.
Thanks, Peter On Fri, Dec 12, 2014 at 2:43 PM, Shalin Shekhar Mangar < shalinman...@gmail.com> wrote: > Do you have distribUpdateConnTimeout and distribUpdateSoTimeout set to > reasonable values in your solr.xml? These are the timeouts used for > inter-shard update requests. > > On Fri, Dec 12, 2014 at 2:20 PM, Peter Keegan <peterlkee...@gmail.com> > wrote: > > > We are running SolrCloud in AWS and using their auto scaling groups to > spin > > up new Solr replicas when CPU utilization exceeds a threshold for a > period > > of time. All is well until the replicas are terminated when CPU > utilization > > falls below another threshold. What happens is that index updates sent to > > the Solr leader hang forever in both the Solr leader and the SolrJ client > > app. Searches work fine. Here are 2 thread stack traces from the Solr > > leader and 2 from the client app: > > > > 1) Solr-leader thread doing a distributed commit: > > > > Thread 23527: (state = IN_NATIVE) > > - java.net.SocketInputStream.socketRead0(java.io.FileDescriptor, byte[], > > int, int, int) @bci=0 (Compiled frame; information may be imprecise) > > - java.net.SocketInputStream.read(byte[], int, int, int) @bci=79, > line=150 > > (Compiled frame) > > - java.net.SocketInputStream.read(byte[], int, int) @bci=11, line=121 > > (Compiled frame) > > - org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer() > @bci=71, > > line=166 (Compiled frame) > > - org.apache.http.impl.io.SocketInputBuffer.fillBuffer() @bci=1, line=90 > > (Compiled frame) > > - > > > > > org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(org.apache.http.util.CharArrayBuffer) > > @bci=137, line=281 (Compiled frame) > > - > > > > > org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(org.apache.http.io.SessionInputBuffer) > > @bci=16, line=92 (Compiled frame) > > - > > > > > org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(org.apache.http.io.SessionInputBuffer) > > @bci=2, line=61 (Compiled frame) > > - org.apache.http.impl.io.AbstractMessageParser.parse() @bci=38, > line=254 > > (Compiled frame) > > - > > org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader() > > @bci=8, line=289 (Compiled frame) > > - > > org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader() > > @bci=1, line=252 (Compiled frame) > > - > > > > > org.apache.http.impl.conn.ManagedClientConnectionImpl.receiveResponseHeader() > > @bci=6, line=191 (Compiled frame) > > - > > > > > org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(org.apache.http.HttpRequest, > > org.apache.http.HttpClientConnection, > org.apache.http.protocol.HttpContext) > > @bci=62, line=300 (Compiled frame) > > - > > > > > org.apache.http.protocol.HttpRequestExecutor.execute(org.apache.http.HttpRequest, > > org.apache.http.HttpClientConnection, > org.apache.http.protocol.HttpContext) > > @bci=60, line=127 (Compiled frame) > > - > > > > > org.apache.http.impl.client.DefaultRequestDirector.tryExecute(org.apache.http.impl.client.RoutedRequest, > > org.apache.http.protocol.HttpContext) @bci=198, line=715 (Compiled frame) > > - > > > > > org.apache.http.impl.client.DefaultRequestDirector.execute(org.apache.http.HttpHost, > > org.apache.http.HttpRequest, org.apache.http.protocol.HttpContext) > > @bci=574, line=520 (Compiled frame) > > - > > > > > org.apache.http.impl.client.AbstractHttpClient.execute(org.apache.http.HttpHost, > > org.apache.http.HttpRequest, org.apache.http.protocol.HttpContext) > > @bci=344, line=906 (Compiled frame) > > - > > > > > org.apache.http.impl.client.AbstractHttpClient.execute(org.apache.http.client.methods.HttpUriRequest, > > org.apache.http.protocol.HttpContext) @bci=21, line=805 (Compiled frame) > > - > > > > > org.apache.http.impl.client.AbstractHttpClient.execute(org.apache.http.client.methods.HttpUriRequest) > > @bci=6, line=784 (Compiled frame) > > - > > > > > org.apache.solr.client.solrj.impl.HttpSolrServer.request(org.apache.solr.client.solrj.SolrRequest, > > org.apache.solr.client.solrj.ResponseParser) @bci=1175, line=395 > > (Interpreted frame) > > - > > > > > org.apache.solr.client.solrj.impl.HttpSolrServer.request(org.apache.solr.client.solrj.SolrRequest) > > @bci=17, line=199 (Interpreted frame) > > - > > > > > org.apache.solr.client.solrj.impl.ConcurrentUpdateSolrServer.request(org.apache.solr.client.solrj.SolrRequest) > > @bci=101, line=293 (Compiled frame) > > - > > > > > org.apache.solr.update.SolrCmdDistributor.submit(org.apache.solr.update.SolrCmdDistributor$Req) > > @bci=127, line=226 (Interpreted frame) > > - > > > > > org.apache.solr.update.SolrCmdDistributor.distribCommit(org.apache.solr.update.CommitUpdateCommand, > > java.util.List, org.apache.solr.common.params.ModifiableSolrParams) > > @bci=112, line=195 (Interpreted frame) > > - > > > > > org.apache.solr.update.processor.DistributedUpdateProcessor.processCommit(org.apache.solr.update.CommitUpdateCommand) > > @bci=174, line=1250 (Interpreted frame) > > - > > > > > org.apache.solr.update.processor.LogUpdateProcessor.processCommit(org.apache.solr.update.CommitUpdateCommand) > > @bci=61, line=157 (Interpreted frame) > > - > > > > > org.apache.solr.handler.RequestHandlerUtils.handleCommit(org.apache.solr.request.SolrQueryRequest, > > org.apache.solr.update.processor.UpdateRequestProcessor, > > org.apache.solr.common.params.SolrParams, boolean) @bci=100, line=69 > > (Interpreted frame) > > - > > > > > org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(org.apache.solr.request.SolrQueryRequest, > > org.apache.solr.response.SolrQueryResponse) @bci=60, line=68 (Compiled > > frame) > > - > > > > > org.apache.solr.handler.RequestHandlerBase.handleRequest(org.apache.solr.request.SolrQueryRequest, > > org.apache.solr.response.SolrQueryResponse) @bci=43, line=135 (Compiled > > frame) > > - > > > > > org.apache.solr.core.SolrCore.execute(org.apache.solr.request.SolrRequestHandler, > > org.apache.solr.request.SolrQueryRequest, > > org.apache.solr.response.SolrQueryResponse) @bci=115, line=1859 (Compiled > > frame) > > - > > > > > org.apache.solr.servlet.SolrDispatchFilter.execute(javax.servlet.http.HttpServletRequest, > > org.apache.solr.request.SolrRequestHandler, > > org.apache.solr.request.SolrQueryRequest, > > org.apache.solr.response.SolrQueryResponse) @bci=31, line=721 (Compiled > > frame) > > - > > > > > org.apache.solr.servlet.SolrDispatchFilter.doFilter(javax.servlet.ServletRequest, > > javax.servlet.ServletResponse, javax.servlet.FilterChain, boolean) > > @bci=1380, line=417 (Compiled frame) > > - > > > > > org.apache.solr.servlet.SolrDispatchFilter.doFilter(javax.servlet.ServletRequest, > > javax.servlet.ServletResponse, javax.servlet.FilterChain) @bci=5, > line=201 > > (Compiled frame) > > - > > > > > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(javax.servlet.ServletRequest, > > javax.servlet.ServletResponse) @bci=100, line=1419 (Compiled frame) > > - org.eclipse.jetty.servlet.ServletHandler.doHandle(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=197, line=455 (Compiled > frame) > > - > org.eclipse.jetty.server.handler.ScopedHandler.handle(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=25, line=137 (Compiled > frame) > > - org.eclipse.jetty.security.SecurityHandler.handle(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=540, line=557 (Compiled > frame) > > - > > > org.eclipse.jetty.server.session.SessionHandler.doHandle(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=68, line=231 (Compiled > frame) > > - > > > org.eclipse.jetty.server.handler.ContextHandler.doHandle(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=206, line=1075 (Compiled > > frame) > > - org.eclipse.jetty.servlet.ServletHandler.doScope(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=277, line=384 (Compiled > frame) > > - > > org.eclipse.jetty.server.session.SessionHandler.doScope(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=233, line=193 (Compiled > frame) > > - > > org.eclipse.jetty.server.handler.ContextHandler.doScope(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=437, line=1009 (Compiled > > frame) > > - > org.eclipse.jetty.server.handler.ScopedHandler.handle(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=13, line=135 (Compiled > frame) > > - > > > > > org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=399, line=255 (Compiled > frame) > > - > > > org.eclipse.jetty.server.handler.HandlerCollection.handle(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=42, line=154 (Compiled > frame) > > - > org.eclipse.jetty.server.handler.HandlerWrapper.handle(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=23, line=116 (Compiled > frame) > > - > > > > > org.eclipse.jetty.server.Server.handle(org.eclipse.jetty.server.AbstractHttpConnection) > > @bci=146, line=368 (Compiled frame) > > - org.eclipse.jetty.server.AbstractHttpConnection.handleRequest() > > @bci=323, line=489 (Compiled frame) > > - org.eclipse.jetty.server.BlockingHttpConnection.handleRequest() > @bci=1, > > line=53 (Interpreted frame) > > - > > > > > org.eclipse.jetty.server.AbstractHttpConnection.content(org.eclipse.jetty.io.Buffer) > > @bci=13, line=953 (Interpreted frame) > > - > > > > > org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(org.eclipse.jetty.io.Buffer) > > @bci=5, line=1014 (Interpreted frame) > > - org.eclipse.jetty.http.HttpParser.parseNext() @bci=3948, line=921 > > (Compiled frame) > > - org.eclipse.jetty.http.HttpParser.parseAvailable() @bci=51, line=240 > > (Compiled frame) > > - org.eclipse.jetty.server.BlockingHttpConnection.handle() @bci=51, > > line=72 (Compiled frame) > > - org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run() > > @bci=100, line=264 (Compiled frame) > > - > > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(java.lang.Runnable) > > @bci=1, line=608 (Interpreted frame) > > - org.eclipse.jetty.util.thread.QueuedThreadPool$3.run() @bci=47, > line=543 > > (Compiled frame) > > - java.lang.Thread.run() @bci=11, line=724 (Interpreted frame) > > > > 2) Solr-leader thread doing a delete by query: > > > > Thread 19580: (state = BLOCKED) > > - sun.misc.Unsafe.park(boolean, long) @bci=0 (Compiled frame; > information > > may be imprecise) > > - java.util.concurrent.locks.LockSupport.park(java.lang.Object) @bci=14, > > line=186 (Compiled frame) > > - > > > > > java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt() > > @bci=1, line=834 (Compiled frame) > > - > > > > > java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(java.util.concurrent.locks.AbstractQueuedSynchronizer$Node, > > int) @bci=67, line=867 (Compiled frame) > > - java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(int) > > @bci=17, line=1197 (Compiled frame) > > - java.util.concurrent.locks.ReentrantLock$NonfairSync.lock() @bci=21, > > line=214 (Compiled frame) > > - java.util.concurrent.locks.ReentrantLock.lock() @bci=4, line=290 > > (Compiled frame) > > - > > > > > org.apache.solr.client.solrj.impl.ConcurrentUpdateSolrServer.blockUntilFinished() > > @bci=81, line=391 (Compiled frame) > > - org.apache.solr.update.StreamingSolrServers.blockUntilFinished() > > @bci=35, line=98 (Compiled frame) > > - org.apache.solr.update.SolrCmdDistributor.finish() @bci=8, line=62 > > (Compiled frame) > > - > > > > > org.apache.solr.update.processor.DistributedUpdateProcessor.doDeleteByQuery(org.apache.solr.update.DeleteUpdateCommand) > > @bci=1088, line=1088 (Compiled frame) > > - > > > > > org.apache.solr.update.processor.DistributedUpdateProcessor.processDelete(org.apache.solr.update.DeleteUpdateCommand) > > @bci=14, line=825 (Compiled frame) > > - > > > > > org.apache.solr.update.processor.LogUpdateProcessor.processDelete(org.apache.solr.update.DeleteUpdateCommand) > > @bci=61, line=121 (Compiled frame) > > - > > > > > org.apache.solr.handler.loader.JavabinLoader.delete(org.apache.solr.request.SolrQueryRequest, > > org.apache.solr.client.solrj.request.UpdateRequest, > > org.apache.solr.update.processor.UpdateRequestProcessor) @bci=208, > line=150 > > (Compiled frame) > > - > > > > > org.apache.solr.handler.loader.JavabinLoader.parseAndLoadDocs(org.apache.solr.request.SolrQueryRequest, > > org.apache.solr.response.SolrQueryResponse, java.io.InputStream, > > org.apache.solr.update.processor.UpdateRequestProcessor) @bci=68, > line=111 > > (Compiled frame) > > - > > > > > org.apache.solr.handler.loader.JavabinLoader.load(org.apache.solr.request.SolrQueryRequest, > > org.apache.solr.response.SolrQueryResponse, > > org.apache.solr.common.util.ContentStream, > > org.apache.solr.update.processor.UpdateRequestProcessor) @bci=18, line=58 > > (Compiled frame) > > - > > > > > org.apache.solr.handler.UpdateRequestHandler$1.load(org.apache.solr.request.SolrQueryRequest, > > org.apache.solr.response.SolrQueryResponse, > > org.apache.solr.common.util.ContentStream, > > org.apache.solr.update.processor.UpdateRequestProcessor) @bci=165, > line=92 > > (Compiled frame) > > - > > > > > org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(org.apache.solr.request.SolrQueryRequest, > > org.apache.solr.response.SolrQueryResponse) @bci=129, line=74 (Compiled > > frame) > > - > > > > > org.apache.solr.handler.RequestHandlerBase.handleRequest(org.apache.solr.request.SolrQueryRequest, > > org.apache.solr.response.SolrQueryResponse) @bci=43, line=135 (Compiled > > frame) > > - > > > > > org.apache.solr.core.SolrCore.execute(org.apache.solr.request.SolrRequestHandler, > > org.apache.solr.request.SolrQueryRequest, > > org.apache.solr.response.SolrQueryResponse) @bci=115, line=1859 (Compiled > > frame) > > - > > > > > org.apache.solr.servlet.SolrDispatchFilter.execute(javax.servlet.http.HttpServletRequest, > > org.apache.solr.request.SolrRequestHandler, > > org.apache.solr.request.SolrQueryRequest, > > org.apache.solr.response.SolrQueryResponse) @bci=31, line=721 (Compiled > > frame) > > - > > > > > org.apache.solr.servlet.SolrDispatchFilter.doFilter(javax.servlet.ServletRequest, > > javax.servlet.ServletResponse, javax.servlet.FilterChain, boolean) > > @bci=1380, line=417 (Compiled frame) > > - > > > > > org.apache.solr.servlet.SolrDispatchFilter.doFilter(javax.servlet.ServletRequest, > > javax.servlet.ServletResponse, javax.servlet.FilterChain) @bci=5, > line=201 > > (Compiled frame) > > - > > > > > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(javax.servlet.ServletRequest, > > javax.servlet.ServletResponse) @bci=100, line=1419 (Compiled frame) > > - org.eclipse.jetty.servlet.ServletHandler.doHandle(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=197, line=455 (Compiled > frame) > > - > org.eclipse.jetty.server.handler.ScopedHandler.handle(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=25, line=137 (Compiled > frame) > > - org.eclipse.jetty.security.SecurityHandler.handle(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=540, line=557 (Compiled > frame) > > - > > > org.eclipse.jetty.server.session.SessionHandler.doHandle(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=68, line=231 (Compiled > frame) > > - > > > org.eclipse.jetty.server.handler.ContextHandler.doHandle(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=206, line=1075 (Compiled > > frame) > > - org.eclipse.jetty.servlet.ServletHandler.doScope(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=277, line=384 (Compiled > frame) > > - > > org.eclipse.jetty.server.session.SessionHandler.doScope(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=233, line=193 (Compiled > frame) > > - > > org.eclipse.jetty.server.handler.ContextHandler.doScope(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=437, line=1009 (Compiled > > frame) > > - > org.eclipse.jetty.server.handler.ScopedHandler.handle(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=13, line=135 (Compiled > frame) > > - > > > > > org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=399, line=255 (Compiled > frame) > > - > > > org.eclipse.jetty.server.handler.HandlerCollection.handle(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=42, line=154 (Compiled > frame) > > - > org.eclipse.jetty.server.handler.HandlerWrapper.handle(java.lang.String, > > org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, > > javax.servlet.http.HttpServletResponse) @bci=23, line=116 (Compiled > frame) > > - > > > > > org.eclipse.jetty.server.Server.handle(org.eclipse.jetty.server.AbstractHttpConnection) > > @bci=146, line=368 (Compiled frame) > > - org.eclipse.jetty.server.AbstractHttpConnection.handleRequest() > > @bci=323, line=489 (Compiled frame) > > - org.eclipse.jetty.http.HttpParser.parseNext() @bci=3597, line=866 > > (Compiled frame) > > - org.eclipse.jetty.http.HttpParser.parseAvailable() @bci=51, line=240 > > (Compiled frame) > > - org.eclipse.jetty.server.BlockingHttpConnection.handle() @bci=51, > > line=72 (Compiled frame) > > - org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run() > > @bci=100, line=264 (Compiled frame) > > - > > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(java.lang.Runnable) > > @bci=1, line=608 (Interpreted frame) > > - org.eclipse.jetty.util.thread.QueuedThreadPool$3.run() @bci=47, > line=543 > > (Compiled frame) > > - java.lang.Thread.run() @bci=11, line=724 (Interpreted frame) > > > > 3) SolrJ client thread doing commit: > > > > Thread 1872: (state = IN_NATIVE) > > - java.net.SocketInputStream.socketRead0(java.io.FileDescriptor, byte[], > > int, int, int) @bci=0 (Compiled frame; information may be imprecise) > > - java.net.SocketInputStream.read(byte[], int, int, int) @bci=79, > line=150 > > (Compiled frame) > > - java.net.SocketInputStream.read(byte[], int, int) @bci=11, line=121 > > (Compiled frame) > > - org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer() > @bci=71, > > line=166 (Compiled frame) > > - org.apache.http.impl.io.SocketInputBuffer.fillBuffer() @bci=1, line=90 > > (Compiled frame) > > - > > > > > org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(org.apache.http.util.CharArrayBuffer) > > @bci=137, line=281 (Compiled frame) > > - > > > > > org.apache.http.impl.conn.LoggingSessionInputBuffer.readLine(org.apache.http.util.CharArrayBuffer) > > @bci=5, line=115 (Compiled frame) > > - > > > > > org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(org.apache.http.io.SessionInputBuffer) > > @bci=16, line=92 (Compiled frame) > > - > > > > > org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(org.apache.http.io.SessionInputBuffer) > > @bci=2, line=62 (Compiled frame) > > - org.apache.http.impl.io.AbstractMessageParser.parse() @bci=38, > line=254 > > (Compiled frame) > > - > > org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader() > > @bci=8, line=289 (Compiled frame) > > - > > org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader() > > @bci=1, line=252 (Compiled frame) > > - > > > > > org.apache.http.impl.conn.ManagedClientConnectionImpl.receiveResponseHeader() > > @bci=6, line=191 (Compiled frame) > > - > > > > > org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(org.apache.http.HttpRequest, > > org.apache.http.HttpClientConnection, > org.apache.http.protocol.HttpContext) > > @bci=73, line=301 (Compiled frame) > > - > > > > > org.apache.http.protocol.HttpRequestExecutor.execute(org.apache.http.HttpRequest, > > org.apache.http.HttpClientConnection, > org.apache.http.protocol.HttpContext) > > @bci=60, line=127 (Compiled frame) > > - > > > > > org.apache.http.impl.client.DefaultRequestDirector.tryExecute(org.apache.http.impl.client.RoutedRequest, > > org.apache.http.protocol.HttpContext) @bci=198, line=717 (Compiled frame) > > - > > > > > org.apache.http.impl.client.DefaultRequestDirector.execute(org.apache.http.HttpHost, > > org.apache.http.HttpRequest, org.apache.http.protocol.HttpContext) > > @bci=597, line=522 (Compiled frame) > > - > > > > > org.apache.http.impl.client.AbstractHttpClient.execute(org.apache.http.HttpHost, > > org.apache.http.HttpRequest, org.apache.http.protocol.HttpContext) > > @bci=344, line=906 (Compiled frame) > > - > > > > > org.apache.http.impl.client.AbstractHttpClient.execute(org.apache.http.client.methods.HttpUriRequest, > > org.apache.http.protocol.HttpContext) @bci=21, line=805 (Compiled frame) > > - > > > > > org.apache.http.impl.client.AbstractHttpClient.execute(org.apache.http.client.methods.HttpUriRequest) > > @bci=6, line=784 (Compiled frame) > > - > > > > > org.apache.solr.client.solrj.impl.HttpSolrServer.request(org.apache.solr.client.solrj.SolrRequest, > > org.apache.solr.client.solrj.ResponseParser) @bci=1184, line=396 > (Compiled > > frame) > > - > > > > > org.apache.solr.client.solrj.impl.HttpSolrServer.request(org.apache.solr.client.solrj.SolrRequest) > > @bci=17, line=199 (Compiled frame) > > - > > > > > org.apache.solr.client.solrj.impl.LBHttpSolrServer.request(org.apache.solr.client.solrj.impl.LBHttpSolrServer$Req) > > @bci=132, line=285 (Compiled frame) > > - > > > > > org.apache.solr.client.solrj.impl.CloudSolrServer.request(org.apache.solr.client.solrj.SolrRequest) > > @bci=838, line=640 (Compiled frame) > > - > > > > > org.apache.solr.client.solrj.request.AbstractUpdateRequest.process(org.apache.solr.client.solrj.SolrServer) > > @bci=17, line=117 (Interpreted frame) > > - org.apache.solr.client.solrj.SolrServer.commit(boolean, boolean) > > @bci=16, line=168 (Interpreted frame) > > - org.apache.solr.client.solrj.SolrServer.commit() @bci=3, line=146 > > (Interpreted frame) > > > > 4) SolrJ client thread doing delete by query: > > > > Thread 1873: (state = IN_NATIVE) > > - java.net.SocketInputStream.socketRead0(java.io.FileDescriptor, byte[], > > int, int, int) @bci=0 (Compiled frame; information may be imprecise) > > - java.net.SocketInputStream.read(byte[], int, int, int) @bci=79, > line=150 > > (Compiled frame) > > - java.net.SocketInputStream.read(byte[], int, int) @bci=11, line=121 > > (Compiled frame) > > - org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer() > @bci=71, > > line=166 (Compiled frame) > > - org.apache.http.impl.io.SocketInputBuffer.fillBuffer() @bci=1, line=90 > > (Compiled frame) > > - > > > > > org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(org.apache.http.util.CharArrayBuffer) > > @bci=137, line=281 (Compiled frame) > > - > > > > > org.apache.http.impl.conn.LoggingSessionInputBuffer.readLine(org.apache.http.util.CharArrayBuffer) > > @bci=5, line=115 (Compiled frame) > > - > > > > > org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(org.apache.http.io.SessionInputBuffer) > > @bci=16, line=92 (Compiled frame) > > - > > > > > org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(org.apache.http.io.SessionInputBuffer) > > @bci=2, line=62 (Compiled frame) > > - org.apache.http.impl.io.AbstractMessageParser.parse() @bci=38, > line=254 > > (Compiled frame) > > - > > org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader() > > @bci=8, line=289 (Compiled frame) > > - > > org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader() > > @bci=1, line=252 (Compiled frame) > > - > > > > > org.apache.http.impl.conn.ManagedClientConnectionImpl.receiveResponseHeader() > > @bci=6, line=191 (Compiled frame) > > - > > > > > org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(org.apache.http.HttpRequest, > > org.apache.http.HttpClientConnection, > org.apache.http.protocol.HttpContext) > > @bci=73, line=301 (Compiled frame) > > - > > > > > org.apache.http.protocol.HttpRequestExecutor.execute(org.apache.http.HttpRequest, > > org.apache.http.HttpClientConnection, > org.apache.http.protocol.HttpContext) > > @bci=60, line=127 (Compiled frame) > > - > > > > > org.apache.http.impl.client.DefaultRequestDirector.tryExecute(org.apache.http.impl.client.RoutedRequest, > > org.apache.http.protocol.HttpContext) @bci=198, line=717 (Compiled frame) > > - > > > > > org.apache.http.impl.client.DefaultRequestDirector.execute(org.apache.http.HttpHost, > > org.apache.http.HttpRequest, org.apache.http.protocol.HttpContext) > > @bci=597, line=522 (Compiled frame) > > - > > > > > org.apache.http.impl.client.AbstractHttpClient.execute(org.apache.http.HttpHost, > > org.apache.http.HttpRequest, org.apache.http.protocol.HttpContext) > > @bci=344, line=906 (Compiled frame) > > - > > > > > org.apache.http.impl.client.AbstractHttpClient.execute(org.apache.http.client.methods.HttpUriRequest, > > org.apache.http.protocol.HttpContext) @bci=21, line=805 (Compiled frame) > > - > > > > > org.apache.http.impl.client.AbstractHttpClient.execute(org.apache.http.client.methods.HttpUriRequest) > > @bci=6, line=784 (Compiled frame) > > - > > > > > org.apache.solr.client.solrj.impl.HttpSolrServer.request(org.apache.solr.client.solrj.SolrRequest, > > org.apache.solr.client.solrj.ResponseParser) @bci=1184, line=396 > (Compiled > > frame) > > - > > > > > org.apache.solr.client.solrj.impl.HttpSolrServer.request(org.apache.solr.client.solrj.SolrRequest) > > @bci=17, line=199 (Compiled frame) > > - > > > > > org.apache.solr.client.solrj.impl.LBHttpSolrServer.request(org.apache.solr.client.solrj.impl.LBHttpSolrServer$Req) > > @bci=132, line=285 (Compiled frame) > > - > > > > > org.apache.solr.client.solrj.impl.CloudSolrServer.request(org.apache.solr.client.solrj.SolrRequest) > > @bci=838, line=640 (Compiled frame) > > - > > > > > org.apache.solr.client.solrj.request.AbstractUpdateRequest.process(org.apache.solr.client.solrj.SolrServer) > > @bci=17, line=117 (Compiled frame) > > - > org.apache.solr.client.solrj.SolrServer.deleteByQuery(java.lang.String, > > int) @bci=21, line=285 (Compiled frame) > > - > org.apache.solr.client.solrj.SolrServer.deleteByQuery(java.lang.String) > > @bci=3, line=271 (Compiled frame) > > > > It looks as if the Solr-leader threads are waiting on a response from the > > terminated replicas, but I would have expected an IOException to occur. > Any > > ideas on what may be happening? > > > > Thanks, > > Peter > > > > > > -- > Regards, > Shalin Shekhar Mangar. >